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TDI 101 Got a simple/basic TDI question? Are you a newbie (new to the forums). Feel free to post your question here.

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Old April 18th, 2018, 05:53   #1
Tonyblue
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Join Date: Apr 2018
Location: England
Default Bora 1.9 diesel TDI 2002 A/C control fault

Hello

Newbie to the site

My A/C in my car has started to play up

If I turn A/C on ,I can turn the setting to one and light stays on blower works both engine fans come on

But if I turn the A/C setting to 2,3 or 4 the A/C light turns off and both engine fans stop

I have been reading previous threads and I would like to check ,would the fault be the resistor pack

thanks Tony
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Old April 18th, 2018, 09:22   #2
jokila
 
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Location: Houston, Texas
Fuel Economy: 52/45/40
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Quote:
Originally Posted by Tonyblue View Post
Hello
Newbie to the site
My A/C in my car has started to play up
If I turn A/C on ,I can turn the setting to one and light stays on blower works both engine fans come on
But if I turn the A/C setting to 2,3 or 4 the A/C light turns off and both engine fans stop
I have been reading previous threads and I would like to check ,would the fault be the resistor pack
thanks Tony
Did you follow this? It's as comprehensive enough to help you DIY.

http://forums.tdiclub.com/showthread.php?t=242699
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Old April 18th, 2018, 09:44   #3
Tonyblue
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Hello Jokila

Thank you kindly for the link ,I will have a good read

and report back if I'm able to locate the problem

Thanks Tony
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Old April 18th, 2018, 11:29   #4
BobnOH
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Fuel Economy: 50/45/35
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DanG144's thread is excellent, there is a lot more than the title indicates. Look for notes on model defferences.
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Old April 21st, 2018, 09:00   #5
Tonyblue
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Thanks for the advice

Thanks the thread / link was very helpful 121 pages that was a long read

I have managed to do some basic tests ,reading other links it may be the
L shape connector on the speed setting switch

Does anyone have a link or advise on how to gain access to the switch to check the L shape connector

Thanks Tony
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Old April 21st, 2018, 10:05   #6
AndyBees
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Location: Southeast Kentucky
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Well, I do not plan to read 121 pages...

But, I have replaced and/repaired several fan switches. Generally, they wear out, burn out, etc., leaving only one speed. Replace or repair the switch.

However, the Resistor Pack, located inside the fan housing on the bottom, will also reflect similar problems when it goes kaput. It is easy to remove.

Seems the 4th speed on the Fan Switch is straight through on the Resistor Pack. All of the other speeds go through one or more of the resistors.

So, considering your fan does run on the 1st speed, I'm leaning toward a bad switch.

Have fun removing the switch if that is the problem...
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Old April 22nd, 2018, 03:43   #7
Tonyblue
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Thanks Andy

I will remove the switch and check

Thanks Tony
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